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beam splitter
noun
- a mirror or prism that divides a beam of light into two parts by reflecting a part of the beam, used in camera range finders.
beam splitter
noun
- a system that divides a beam of light, electrons, etc, into two or more paths
Word History and Origins
Origin of beam splitter1
Example Sentences
They can be made to do so with a beam splitter, a half-silvered mirror set at an angle that will, with equal probability, transmit a photon or deflect it by 90°.
“You get the same information as if you had used a central beam splitter,” says Johannes Borregaard of the Delft University of Technology.
The first splits a laser beam in two by directing it through a beam splitter to both ends of the scale, where they are reflected by attached mirrors.
“Where should which adjusting screw go? What does the ideal beam splitter look like, and where do you position it? It then took about a year for all the parts to arrive and for me to put it together.”
Within it, a semireflective mirror, or beam splitter, sends half of a laser beam down each of the 600-meter-long arms of the L. After bouncing back and forth between mirrors at the ends of the arms, the light waves return to the beam splitter where they interfere.
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